on the other side, mark kelly, the husband of former congresswoman gabrielle giffords will thereby to support new gun control rules. and we hear now that giffords herself may speak at the beginning of that hearing. >>> developing story out of alabama. police trying to negotiate with a gunman who is holding a six-year-old boy hostage in an underground bunker. it all started at 4:00 p.m. yesterday in midland city. the 65-year-old suspect boarded a school bus, shot the driver, and grabbed a boy. >> he started telling him he needed a kid because something about the law coming after him. then he shot the bus driver and the driver's foot was gas and we went backwards and everybody started screaming and then the bus driver was still there and we just all got off the bus and went to a neighbor's house. >> gretchen: unfortunately the bus driver did die. swat team members still on the scene of that house. they've been communicating with the gunman. we're told the child needs medication and the suspect has allowed police to provide it. >>> check out this brand-new high-tech cargo airship being d